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Application of intermediate frequency spot welding machine in automobile industry

The characteristics of the intermediate frequency spot welder determine that it is very suitable for hard specification welding, that is, short time, high current. The automotive industry has a large number of parts that need to be welded with nuts, bolts and multi-point projection welding. The performance of projection welding is very complete, so the intermediate frequency inverter spot projection welding machine has a wide application space in the projection welding of parts in the automotive industry.

Analysis of IF spot welding machine controller

The initial welding resistance controller of the intermediate frequency spot welding machine was controlled by the electronic tube, and it became a transistor after decades, but it was still cumbersome and inconvenient, with the advancement of technology. Microcomputer controllers have appeared in the past decade, that is, CPU-centric controllers.

Circuit Structure and Performance Analysis of Inverter Spot Welder

When it comes to inverter spot welding machine, the first thing to say is the circuit structure of inverter spot welding machine. The circuit structure of the inverter spot welding machine generally adopts the process of rectification-inversion-re-rectification, that is, AC-DC-AC. Due to the high working frequency in the inverter process, the statistical characteristics of the dynamic characteristics of the control process are improved, and the welding machine is small in size and light in weight.

Spot welding method for copper alloy of nut spot welder

Compared with aluminum alloy, copper alloy has slightly higher resistivity and lower thermal conductivity, so spot welding of nut spot welder is not too difficult. Copper alloys with a thickness of less than 1.5 mm, especially copper alloys with low electrical conductivity, are widely used in production. Pure copper has extremely high electrical conductivity, making spot welding difficult.

In which industries is the spot welding machine applied?

The spot welding machine uses the high temperature arc generated by the positive and negative poles in an instant short circuit to melt the solder on the welding electrode and the material to be welded, so that the contacted objects can be combined. The structure of the spot welder is very simple, that is, a high-power transformer. Current spot welding machines are generally divided into two types according to the type of output power, one is AC power and the other is DC power.
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